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DBMS > DolphinDB vs. LokiJS vs. Manticore Search vs. Memgraph vs. OpenMLDB

System Properties Comparison DolphinDB vs. LokiJS vs. Manticore Search vs. Memgraph vs. OpenMLDB

Editorial information provided by DB-Engines
NameDolphinDB  Xexclude from comparisonLokiJS  Xexclude from comparisonManticore Search  Xexclude from comparisonMemgraph  Xexclude from comparisonOpenMLDB  Xexclude from comparison
DescriptionDolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.In-memory JavaScript DBMSMulti-storage database for search, including full-text search.An open source graph database built for real-time streaming and compatible with Neo4jAn open-source machine learning database that provides a feature platform for training and inference
Primary database modelTime Series DBMSDocument storeSearch engineGraph DBMSTime Series DBMS
Secondary database modelsRelational DBMSTime Series DBMS infousing the Manticore Columnar LibraryRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.13
Rank#80  Overall
#6  Time Series DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score0.22
Rank#312  Overall
#21  Search engines
Score3.02
Rank#98  Overall
#8  Graph DBMS
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Websitewww.dolphindb.comgithub.com/­techfort/­LokiJSmanticoresearch.commemgraph.comopenmldb.ai
Technical documentationdocs.dolphindb.cn/­en/­help200/­index.htmltechfort.github.io/­LokiJSmanual.manticoresearch.commemgraph.com/­docsopenmldb.ai/­docs/­zh/­main
Social network pagesLinkedInTwitterFacebookGitHubDiscord
DeveloperDolphinDB, IncManticore SoftwareMemgraph Ltd4 Paradigm Inc.
Initial release20182014201720172020
Current releasev2.00.4, January 20226.0, February 20232024-2 February 2024
License infoCommercial or Open Sourcecommercial infofree community version availableOpen SourceOpen Source infoGPL version 2Open Source infoBSL 1.1; commercial license for enterprise edition availableOpen Source
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaScriptC++C and C++C++, Java, Scala
Server operating systemsLinux
Windows
server-less, requires a JavaScript environment (browser, Node.js)FreeBSD
Linux
macOS
Windows
LinuxLinux
Data schemeyesschema-freeFixed schemaschema-free and schema-optionalFixed schema
Typing infopredefined data types such as float or dateyesnoInt, Bigint, Float, Timestamp, Bit, Int array, Bigint array, JSON, Booleanyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonoCan index from XMLnono
Secondary indexesyesyes infovia viewsyes infofull-text index on all search fieldsyes
SQL infoSupport of SQLSQL-like query languagenoSQL-like query languagenoyes
APIs and other access methodsJDBC
JSON over HTTP
Kafka
MQTT (Message Queue Telemetry Transport)
ODBC
OPC DA
OPC UA
RabbitMQ
WebSocket
JavaScript APIBinary API
RESTful HTTP/JSON API
RESTful HTTP/SQL API
SQL over MySQL
Bolt protocol
Cypher query language
JDBC
SQLAlchemy
Supported programming languagesC#
C++
Go
Java
JavaScript
MatLab
Python
R
Rust
JavaScriptElixir
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C++
Go
Java
Python
Scala
Server-side scripts infoStored proceduresyesView functions in JavaScriptuser defined functionsno
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnoneSharding infoPartitioning is done manually, search queries against distributed index is supportedSharding infodynamic graph partitioninghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneSynchronous replication based on Galera libraryMulti-source replication using RAFTSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyes inforelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesno infoatomic operations within a single collection possibleyes infoisolated transactions for atomic changes and binary logging for safe writesACID infowith snapshot isolationno
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infoThe original contents of fields are not stored in the Manticore index.yes infowith periodic snapshot and write-ahead logging (WAL) of changesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlAdministrators, Users, GroupsnonoUsers, roles and permissionsfine grained access rights according to SQL-standard
More information provided by the system vendor
DolphinDBLokiJSManticore SearchMemgraphOpenMLDB
Specific characteristicsMemgraph directly connects to your streaming infrastructure so you and your team...
» more
Competitive advantagesBusiness Source License ensures a future for the Memgraph community MAGE algorithm...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
Licensing and pricing modelsYou can check out our pricing model and licenses on the company website .
» more

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More resources
DolphinDBLokiJSManticore SearchMemgraphOpenMLDB
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